Questions tagged [swing]
Swing is the primary user-interface toolkit in Java and is shipped with the standard Java SDK. It is contained within the package javax.swing.
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Adding JPanel updates after being out of focus and back in focus of window
The title says it all, I am creating a chess game in Java using Swing, but using MouseListener and adding a JPanel using it, updates only after window goes out of focus, and then back in focus.
Video ...
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How to create and add a JPanel from a class that is being extended by MouseListener
The title says it all. How can I create a JPanel from a MouseListener class? This is the code I have now:
import java.awt.Color;
import java.awt.Container;
import ...
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1answer
39 views
Get on what tile has mouse clicked
I am writing a chess game using Java and Swing, And I wanted to get the tile position on which a mouse clicked. I searched through internet, but all of them were really off, and never accurate. When I ...
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22 views
Get tile position on what a mouse clicked [duplicate]
I am writing a chess game using Java and Swing, And I wanted to get the tile position on which a mouse clicked. I searched through internet, but all of them were really off, and never accurate. When I ...
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1answer
106 views
How do I zoom in and out in a fully tiled based game
I am currently developing a tile based game in Java and trying to add the option of zooming. I do the zoom by reducing and enlarging the tiles, but the problem is that it creates spaces between the ...
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26 views
Trying to create a knockback effect between 2 squares (Code in Java)
I've been in trouble for weeks now and I don't understand why it doesn't work for me! I have tried so many things and I just can not understand.
I try to get one player to get a knockback as soon as ...
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1answer
42 views
Looking for tips on how to optimize/debug Java/Eclipse
I made a raycasting engine with wall textures. Before adding the texture the engine was silky smooth. With textures it has small lags (or stutters) when i move around and i would like to know why. My ...
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1answer
406 views
How do you draw a random irregular polygon in java? (Asteroids)
I am coding an Asteroids game in Java. In the real arcade game, asteroids are made of irregular shapes like this:
When I code, I can only set asteroids to 1 or another specific shape, like this:
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1answer
39 views
How do you make a shape slide on a JFrame?
I have some simple code that draws a dot in one of 8 places on a screen. There is a higher chance the dot will appear in some locations more than others. The code works and all, but it feels kind of ...
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1answer
152 views
How to avoid Singleton/Statics/Injection in my puzzle game
I am developing a puzzle game in java with swing.
Purpose of the game to find the all the correct pairs on the board without ur lifes reaching 0 , preety simple etc.
I have a class My_Button which ...
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1answer
142 views
Should I use Panels or Frames?
Hi I am creating my first game in NetBeans using Java, the game is going to be an RPG that will look a bit look Undertale on the surface in that there will be a menu, then a load game section and then ...
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1answer
244 views
Making a Java Swing game a browser based game [closed]
I have made a game in Java using Swing for the GUI.
It is a network game relying on the client-server model.
Basically the game is a turned-based chess-like game. It has a connection menu, game ...
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1answer
689 views
How to create a split screen display with one frame and canvas
I am creating a 2D Java game, which looks like this:
My question is what should I do to my display to create two 'separate' displays.
I plan on doubling the height of the program, and have a second ...
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1answer
648 views
How do I split my screen to include a JFrame and a lwjgl screen
I a making a game and I'm going to make a little side GUI to create game items.
How can I have a window both include a Canvas element and an lwjgl window.
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1answer
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1answer
519 views
How to remove bricks on collision?
I am on my last stage of creating a simple breakout game in Java using BlueJ. I have added multiple rows of bricks using an ArrayList. However now the task is to ...
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1answer
3k views
How do I get text width and height in Swing/AWT?
I'm making a game engine based on Java Swing and I wonder if I can get the text width/height.
Say, what I have is:
the text string
the font and text size (the Font...
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1answer
521 views
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145 views
Is there a common library for key listener for Java?
I'm making a game engine which supports Swing and JavaFX at the same time.
I provided key listener APIs like this:
Swing
...
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0answers
418 views
How to implement pixel level collision detection?
I'm developing a simple game engine for practise purpose, and I used codes like this to do collision detection (fake code):
...
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1answer
1k views
Isometric tiles drawing and picking - JAVA
I'm trying to draw isometric tiles in Java and implement a tile picking system using the mouse cursor. I draw the tiles using math formulas I found and adapted to my tile textures which you can find ...
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2answers
137 views
Why is my Mario clone game sprite getting cut off when I try to change it?
In my Super Mario 3 clone, my sprite draws correctly upon instantiating the JFrame, but when I press one of the buttons I've set to jump, it gets partially cut off. Everything on the screen is a ...
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2answers
2k views
How can I make Diagonal movement?
This is a follow-up question to my last one. I am developing a game which has an Icon on a JLabelwhich the user controls with WASD keys. Right now it can go up, ...
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1answer
145 views
Why is the movement space increasing?
This is a follow-up question to my previous question. I got my key holding to move, using boolean variables and making another method with a ...
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1answer
1k views
How to detect if a key is held?
I am trying to make a dodging game, where objects fall from the top of the window that the player must dodge or collect, depending on whether it is a triangle or a circle. Right now I am doing the ...
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1answer
565 views
When I drag a JLabel, why is it appearing in a different location?
I am making a checkers game, and it is behaving very strangely. As of now, I am just trying to get the basics, such as grid layout, and getting the pieces laid out and moveable. My 8 by 8 grid opens ...
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2answers
1k views
How to set a Label position after a timer ends, in a repetitive structure?
I have this fragment of code. It moves a pawn on a board.
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1answer
537 views
Java Thread.sleep() VS Get last and current time
I am creating a simple game using Java. I'm not using any game library. I just want to know if it is okay to call Thread.sleep(40) before calling ...
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1answer
133 views
How can I make part of a JLabel visible under mouse movement?
The JLabel has an image of a room. I want the mouse to act as a flashlight, and only display around the mouse the part of the JLabel/image that the mouse is hovering over, in a large circumference.
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1answer
132 views
How do you create dots in a shape of a letter and make them interact-able for a user to connect them?
I am making a game where the user is given a letter on screen such as the below image
The user then uses the mouse to draw from one point to another until the shape is drawn.
I wanted to know what ...
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votes
2answers
118 views
Make a cell's content 'listens' to another cell (the closest cells)
I'm a newbie in programming and in java and I need some lights and help.I'm developing a game in which two players have to play with tokens (say red and blue) by placing them in cells (75x75 grid). ...
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1answer
57 views
FillRecatangle set Opacity?
I have a game with a HUD which is drawn by fillrectangle.
How would I fade these rectangles when the player is on the HUD?
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1answer
230 views
DrawString and Render graphics after custom time
I want to draw String after some second like "Boss is incoming",and after the string is disappeared i want to draw the Boss.I have the graphics and the string so my question is how to add timer for ...
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1answer
377 views
When handling key input, I'm getting a negative timeout value in my thread. What's going on?
So I'm programming a game using Swing and AWT and I'm getting a weird error. As I check for input in my MenuState, which is just my Menu screen, it is telling me that the timeout value in my game loop....
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1answer
268 views
2D Map Editor Tiles Palette - Best suited Java Elements to use?
I'm making a 2D RTS Map Editor and here came the moment to make a Palette which is just a popup frame showing tiles to be clicked on and then applied on the map.
I'm wondering which Java Elements to ...
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1answer
432 views
How to create 2D cameras in swing?
What is the best way to create a camera for a 2D platformer using swing, and I want to create a camera that moves instead of moving the background. This is because I'm going to have objects rotated by ...
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2answers
624 views
Swing GUI for games (performance) [closed]
I'm developing a game in Slick2D and I'm trying to make GUI.
I've already tried TWL library, but it seems to me a bit complicated and it doesn't cover what I need. In my own implementation of GUI I'...
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3answers
3k views
Java 2D Game Hitbox Detection & Rounded Corners
I am working on a simple 2D game with Java, Swing and no framework. I have a rectangular player that the user can move around. On the map are few obstacles which the player should not be able to go ...
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111 views
In Java swing, while handling a 2D top down game, how should I handle scaling for quality transformations (mainly screen rotation)
For my top down game, I plan to have screen rotation where entities don't rotate, but everything else does. I am using a raster array to store my image so I don't have to render things stacked on each ...
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2answers
2k views
How does rendering with Swing compare to rendering with openGL?
[summary: Is the performance of Swing at least in the same dimension as openGL [through LWJGL]? If yes, what percentage would you give it? What possible other problems can I expect from Swing in the ...
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2answers
799 views
Swing for game development - regarding threads
For those of you who use Swing to develop their real-time Java games. (Meanign a game that constantly updates game state and redraws the screen using a constant loop).
As I see it, there are three ...
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1answer
3k views
How do I double-buffer renders to a JPanel?
I'm trying to make a little breakout game with Java and Swing. The only issue so far is that drawing on the JPanel causes lots of flickering!
The relevant code:
<...
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2answers
6k views
Smooth movement in a tile based game
How can we make our character move smoothly across tiles? He moves tile by tile, but that looks unprofessional. In addition, when you hold down the arrow keys he zips across the screen. How can we ...
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2answers
1k views
fast java2d translucency
I'm trying to draw a bunch of translucent circles on a Swing JComponent. This isn't exactly fast, and I was wondering if there is a way to speed it up. My custom JComponent has the following ...
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1answer
2k views
I'm not sure why my shape is not moving
So I am trying to teach my self how to my develop games with java by cloning older games. At the moment I am cloning Pong, and I can not figure out why my paddle is not moving. The move method should ...
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1answer
4k views
How to detect whether my Java application is active?
I want to pause my game (written in Java Swing), when the player switches to another application.
But I did not find a way to detect this switch. window.isActive()...
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2answers
5k views
How to create a main menu using java swing
I have been trying to figure out for quite some time on how to create a basic main menu for a game that just has a couple clickable labels, but I don't know how to write them. I have created a class ...
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3answers
35k views
Java - Best Implementation KeyListener For Games
I am working on a game using only the swing and awt packages. Note I can only use the default Java libs. Meaning I have to use KeyListener. I have imported KeyListener properly, however, it is still ...
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2answers
419 views
Calling opengl32.DLL from java?
I don't like LWJGL in some cases, so I prefer to use Swing. The thing is that Swing doesn't have OpenGL. I have tried JOGL and it's a mess to install, needs external jars, and I have yet to get it ...
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1answer
581 views
Are there shaders or at least shader like things in Swing?
Is there? Because I'm wondering if it supports GLSL, HLSL, or it's own shading language? I don't know much about Swing graphics. Does anyone know?